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A129086 as a simple table

n a(n)
0 1
1 2
2 5
3 14
4 42
5 133
6 443
7 1552
8 5716
9 22068
10 88830
11 370209
12 1585841
13 6936459
14 30813483
15 138445492
16 627256282
17 2859652414
18 13099023380
19 60225071992
20 277729496928
21 1283986487874
22 5948991719082
23 27616185153765

[1,2,5,14,42,133,443,1552,5716,22068,88830,370209,
 1585841,6936459,30813483,138445492,627256282,
 2859652414,13099023380,60225071992,277729496928,
 1283986487874,5948991719082,27616185153765]

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Last modified March 26 04:32 EDT 2019. Contains 321481 sequences. (Running on oeis4.)